Results 51 to 60 of about 15,845 (244)

Analysis and Simulation of Meshing Efficiency of Helical Gear Differential Gear Train

open access: yesJixie chuandong, 2017
On the basis of taking 2K-H type helical differential gear train as the basic prototype,by analyzing the transmission efficiency of its transformation part and piecewise integration in meshing range,the result of the meshing efficiency of the internal ...
Zhou Chunguo   +3 more
doaj  

New generation methods for spur, helical, and spiral-bevel gears [PDF]

open access: yes
New methods for generating spur, helical, and spiral-bevel gears are proposed. These methods provide the gears with conjugate gear tooth surfaces, localized bearing contact, and reduced sensitivity to gear misalignment.
Coy, J. J.   +4 more
core   +1 more source

Key Technical Fields and Future Outlooks of Space Manipulators: A Survey

open access: yesSmartBot, EarlyView.
This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen   +12 more
wiley   +1 more source

基于修形蜗杆砂轮的斜齿轮参数化设计

open access: yesJixie chuandong, 2014
According to the actual process of worm grinding wheel forming helical gear,the parameter mathematics model of the surface of helical gear and fillet is established.The helical gear tooth profile modification curve is achieved by modifying the profile of
曾红, 刘鹏, 唐文, 王延忠
doaj  

Експериментальні дослідження спектрів шуму шестеренного насосу з косозубим зачепленням [PDF]

open access: yes, 2015
В статье приведены результаты испытаний шумовых характеристик экспериментального шестеренного насоса с косозубым зацеплением. Исследованы уровни звука, спектры шума.
Krasota, M.   +14 more
core  

Resource reallocation across successive systemic innovations: How Rolls‐Royce shaped the evolution of the turbojet, turboprop, and turbofan

open access: yesStrategic Management Journal, EarlyView.
Abstract Research Summary Despite the importance of resource reallocation in shaping a variety of strategic outcomes, strategy scholars have paid only limited attention to the processes by which firms reallocate their resources across successive systemic innovations.
Gino Cattani   +2 more
wiley   +1 more source

斜齿轮传动中啮合冲击数值研究

open access: yesJixie chuandong, 2005
Helical gear transmission is one of the widely used mechanical driving. During the gear meshing process, impact will arise. The new non-linear simulation function (SOL600) of MSC Nastran is used to build the 3-D contact meshing model for helical gear ...
谢海东   +4 more
doaj  

Investigation on the sampling size optimisation in gear tooth surface measurement using a Co-ordinate Measuring Machine [PDF]

open access: yes, 2004
Co-ordinate Measuring Machines (CMMs) are widely used in gear manufacturing industry. One of the main issues for contact inspection using a CMM is the sampling technique.
C.H. Gao   +8 more
core   +1 more source

Model‐Based Systems Engineering in Space Applications: A Comprehensive Literature Review

open access: yesSystems Engineering, EarlyView.
ABSTRACT The growing complexity of space engineering is driving the demand to embrace the adoption of Model‐Based Systems Engineering (MBSE). Although the MBSE is well‐practiced in the space industry, the level of effort and need required to obtain the benefits of MBSE vastly differ across enterprises; this disparity presents a significant challenge to
Rehobot Bekele Buruso   +4 more
wiley   +1 more source

Geometric Modeling and Contact Characteristic Analysis of Hindley Worm and Cylindrical Helical Gear Transmission

open access: yesJixie chuandong, 2018
A kind of Hindley worm and cylindrical helical gear is presented. According to the geometrical parameters of Hindley worm,the geometric parameters of the helical gear with the Hindley worm is calculated,a three-dimensional model of Hindley worm and ...
Zhao Chaofei, Wei Bingyang
doaj  

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